Task index

Pipeline tasks

AlardLuptonPreconvolveSubtractTask

Subtract a template from a science image, convolving the science image before computing the kernel, and also convolving the template before subtraction.

AlardLuptonSubtractTask

Compute the image difference of a science and template image using the Alard & Lupton (1998) algorithm.

ApdbMetricTask

A base class for tasks that compute metrics from an alert production database.

BrighterFatterKernelSolveTask

Measure appropriate Brighter-Fatter Kernel from the PTC dataset.

CalibCombineByFilterTask

Task to combine calib exposures.

CalibCombineTask

Task to combine calib exposures.

CalibrateImageTask

Compute the PSF, aperture corrections, astrometric and photometric calibrations, and summary statistics for a single science exposure, and produce a catalog of brighter stars that were used to calibrate it.

CalibrateTask

Calibrate an exposure: measure sources and perform astrometric and photometric calibration.

CatalogMeasurementBaseTask

Base class for science performance metrics measured from source/object catalogs.

CatalogSummaryBaseTask

A base class for tasks that compute one metric from input datasets.

CharacterizeImageTask

Measure bright sources and use this to estimate background and PSF of an exposure.

CoaddInjectTask

Coadd-level class for injecting sources into images.

ConsolidateHealSparsePropertyMapTask

Task to consolidate HealSparse property maps.

ConsolidateSourceTableTask

Concatenate sourceTable list into a per-visit sourceTable_visit

ConsolidateVisitSummaryTask

Task to consolidate per-detector visit metadata.

CpDarkTask

Combine pre-processed dark frames into a proposed master calibration.

CpFlatMeasureTask

Apply extra masking and measure image statistics.

CpFlatNormalizationTask

Rescale merged flat frames to remove unequal screen illumination.

CpFringeTask

Combine pre-processed fringe frames into a proposed master calibration.

CpSkyCombineTask

Merge per-exposure measurements into a detector level calibration.

CpSkyImageTask

Mask the detections on the postISRCCD.

CpSkyScaleMeasureTask

Measure per-exposure scale factors and merge focal plane backgrounds.

CpSkySubtractBackgroundTask

Subtract per-exposure background from individual detector masked images.

CpuTimingMetricTask

A Task that computes a CPU time using metadata produced by the lsst.utils.timer.timeMethod decorator.

CrosstalkExtractTask

Task to measure pixel ratios to find crosstalk.

CrosstalkSolveTask

Task to solve crosstalk from pixel ratios.

DetectAndMeasureScoreTask

Detect DIA sources using a score image, and measure the detections on the difference image.

DetectAndMeasureTask

Detect and measure sources on a difference image.

DetectCoaddSourcesTask

Detect sources on a single filter coadd.

DiaPipelineTask

Task for loading, associating and storing Difference Image Analysis (DIA) Objects and Sources.

ExposureInjectTask

Exposure-level class for injecting sources into images.

FgcmBuildStarsTableTask

Build stars for the FGCM global calibration, using sourceTable_visit catalogs.

FgcmCalibrateTractTableTask

Calibrate a single tract using fgcmcal, using sourceTable_visit (parquet) input catalogs.

FgcmFitCycleTask

Run Single fit cycle for FGCM global calibration

FgcmMakeLutTask

Make Look-Up Table for FGCM.

FgcmOutputProductsTask

Output products from FGCM global calibration.

FinalizeCharacterizationTask

Run final characterization on exposures.

ForcedPhotCcdTask

A pipeline task for performing forced measurement on CCD images.

ForcedPhotCoaddTask

A pipeline task for performing forced measurement on coadd images.

FractionDiaSourcesToSciSourcesMetricTask

Task that computes the ratio of difference image sources to science sources in an image, visit, etc.

FractionUpdatedDiaObjectsMetricTask

Task that computes the fraction of previously created DIAObjects that have a new association in this image, visit, etc..

GbdesAstrometricFitTask

Calibrate the WCS across multiple visits of the same field using the GBDES package.

GetTemplateTask

Base class for all pipeline tasks.

HealSparsePropertyMapTask

Task to compute Healsparse property maps.

HighResolutionHipsTask

Task for making high resolution HiPS images.

IsolatedStarAssociationTask

Associate sources into isolated star catalogs.

LinearitySolveTask

Fit the linearity from the PTC dataset.

MakeWarpTask

Warp and optionally PSF-Match calexps onto an a common projection.

MatchedBaseTask

Base class for all pipeline tasks.

MatchedTractBaseTask

Base class for all pipeline tasks.

MeasureDefectsTask

Measure the defects from one exposure.

MeasureMergedCoaddSourcesTask

Deblend sources from main catalog in each coadd seperately and measure.

MemoryMetricTask

A Task that computes the maximum resident set size using metadata produced by the lsst.utils.timer.timeMethod decorator.

MergeDefectsTask

Merge the defects from multiple exposures.

MergeDetectionsTask

Merge sources detected in coadds of exposures obtained with different filters.

MergeMeasurementsTask

Merge measurements from multiple bands.

MetadataMetricTask

A base class for tasks that compute metrics from single metadata objects.

MetricTask

A base class for tasks that compute one metric from input datasets.

NumberDeblendChildSourcesMetricTask

Task that computes the number of science sources created through deblending.

NumberDeblendedSourcesMetricTask

Task that computes the number of science sources that have been deblended.

NumberNewDiaObjectsMetricTask

Task that computes the number of DIASources that create new DIAObjects in an image, visit, etc..

NumberSciSourcesMetricTask

Task that computes the number of cataloged non-primary science sources.

NumberUnassociatedDiaObjectsMetricTask

Task that computes the number of previously-known DIAObjects that do not have detected DIASources in an image, visit, etc..

PatchMatchedMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

PatchMatchedMultiBandMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

PatchMatchedMultiBandPreparationTask

Base class for all pipeline tasks.

PatchMatchedPreparationTask

Base class for all pipeline tasks.

PatchMatchedSummaryTask

A base class for tasks that compute one metric from input datasets.

PatchMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

PatchSummaryTask

A base class for tasks that compute one metric from input datasets.

PhotonTransferCurveExtractTask

Task to measure covariances from flat fields.

PhotonTransferCurveSolveTask

Task to fit the PTC from flat covariances.

TimingMetricTask

A Task that computes a wall-clock time using metadata produced by the lsst.utils.timer.timeMethod decorator.

TotalUnassociatedDiaObjectsMetricTask

Task that computes the number of DIAObjects with only one associated DIASource.

TractMatchedMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

TractMatchedPreparationTask

Base class for all pipeline tasks.

TractMatchedSummaryTask

A base class for tasks that compute one metric from input datasets.

TractMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

TractMultiBandMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

TransformSourceTableTask

Transform/standardize a source catalog

UpdateVisitSummaryTask

A pipeline task that creates a new visit-summary table after all lsst.afw.image.Exposure components have been finalized.

VisitInjectTask

Visit-level class for injecting sources into images.

VisitMeasurementTask

Base class for science performance metrics measured from source/object catalogs.

VisitSummaryTask

A base class for tasks that compute one metric from input datasets.

WriteSourceTableTask

Write source table to DataFrame Parquet format.

Command-line tasks

No topics.

Tasks

AB1Task

Base class for data processing tasks.

ADxTask

Base class for data processing tasks.

AFxTask

Base class for data processing tasks.

AMxTask

Base class for data processing tasks.

ApplyApCorrTask

Apply aperture corrections.

AssembleCcdTask

Assemble a set of amplifier images into a full detector size set of pixels.

AstrometrySourceSelectorTask

Select sources that are useful for astrometry.

AstrometryTask

Match an input source catalog with objects from a reference catalog and solve for the WCS.

BaseMeasurementTask

Ultimate base class for all measurement tasks.

BasePsfDeterminerTask

Base class for PSF determiners

BaseStarSelectorTask

Base class for star selectors

CalibStatsTask

Measure statistics on the background

CatalogCalculationTask

Run plugins which operate on a catalog of sources.

CoaddInputRecorderTask

Subtask that handles filling a CoaddInputs object for a coadd exposure, tracking the CCDs and visits that went into a coadd.

ComputeExposureSummaryStatsTask

Task to compute exposure summary statistics.

ConfigApdbLoader

A Task that takes a science task config and returns the corresponding Apdb object.

ConvertReferenceCatalogTask

Class for producing HTM-indexed reference catalogs from external catalog data.

DecorrelateALKernelSpatialTask

Decorrelate the effect of convolution by Alard-Lupton matching kernel in image difference

DecorrelateALKernelTask

Decorrelate the effect of convolution by Alard-Lupton matching kernel in image difference

DipoleMeasurementTask

Measurement of Sources, specifically ones from difference images, for characterization as dipoles

DirectApdbLoader

A Task that takes a Apdb config and returns the corresponding Apdb object.

DirectMatchTask

Simple, brute force matching of a source catalog to a reference catalog.

DynamicDetectionTask

Detection of sources on an image with a dynamic threshold

ExampleSigmaClippedStatsTask

Example task to compute sigma-clipped mean and standard deviation of an image.

ExampleSimpleStatsTask

Example task to compute mean and standard deviation of an image.

FitSipDistortionTask

Fit a TAN-SIP WCS given a list of reference object/source matches.

FitTanSipWcsTask

Fit a TAN-SIP WCS given a list of reference object/source matches.

FlaggedSourceSelectorTask

A trivial SourceSelector that simply uses an existing flag field to filter a SourceCatalog.

ForcedMeasurementTask

Measure sources on an image, constrained by a reference catalog.

HealSparseInputMapTask

Task for making a HealSparse input map.

HistMedianTask

Base class for data processing tasks.

InstallGaussianPsfTask

Install a Gaussian PSF model in an exposure.

InterpImageTask

Interpolate over bad image pixels

LoadReferenceCatalogTask

Load multi-band reference objects from a reference catalog.

MakeDiscreteSkyMapTask

Make a DiscreteSkyMap in a repository, using the bounding box of a set of calexps.

MakeKernelTask

Construct a kernel for PSF matching two exposures.

MakePsfCandidatesTask

Create PSF candidates given an input catalog.

MaskStreaksTask

Find streaks or other straight lines in image data.

MatchBackgroundsTask

Base class for data processing tasks.

MatchOptimisticBTask

Match sources to reference objects using the Optimistic Pattern Matcher B algorithm of Tabur 2007.

MatchPessimisticBTask

Match sources to reference objects.

MatcherSourceSelectorTask

Select sources that are useful for matching.

MeasureApCorrTask

Task to measure aperture correction.

MeasurePsfTask

A task that selects stars from a catalog of sources and uses those to measure the PSF.

ModelPsfMatchTask

Matching of two model Psfs, and application of the Psf-matching kernel to an input Exposure

NumSourcesTask

Simple default task to count the number of sources/objects in catalog.

NumpySummaryTask

Base class for data processing tasks.

ObjectSizeStarSelectorTask

A star selector that looks for a cluster of small objects in a size-magnitude plot.

PA1Task

A Task that computes the PA1 photometric repeatability metric from an input set of multiple visits of the same field.

PF1Task

A Task that computes PF1, the percentage of photometric repeatability measurements that deviate by more than PA2 mmag from the mean.

PcaPsfDeterminerTask

A measurePsfTask psf estimator.

PhotoCalTask

Calculate an Exposure's zero-point given a set of flux measurements of stars matched to an input catalogue.

PiffPsfDeterminerTask

A measurePsfTask PSF estimator using Piff as the implementation.

PropagateSourceFlagsTask

Task to propagate source flags to coadd objects.

PropagateVisitFlagsTask

Task to propagate flags from single-frame measurements to coadd measurements.

PsfWcsSelectImagesTask

Select images using their Wcs and cuts on the PSF properties.

ReadFitsCatalogTask

Read an object catalog from a FITS table

ReadTextCatalogTask

Read an object catalog from a text file

RefMatchTask

Match an input source catalog with objects from a reference catalog.

ReferenceSourceSelectorTask

Reference source selector

RegisterTask

Task to register (align) multiple images.

RepairTask

Repair an exposures defects and cosmic rays via interpolation.

ReserveIsolatedStarsTask

Reserve isolated stars with repeatable hash.

ReserveSourcesTask

Reserve sources from analysis

ScaleVarianceTask

Scale the variance in a MaskedImage

ScaleZeroPointTask

Compute scale factor to scale exposures to a desired photometric zero point.

ScienceSourceSelectorTask

Science source selector

SetPrimaryFlagsTask

Deprecated since version v27.0: This class has been moved to meas_algorithms. Will be removed after v27.

SingleFrameMeasurementTask

A subtask for measuring the properties of sources on a single exposure.

SkyObjectsTask

Generate a list of Footprints of sky sources/objects (regions on the sky that do not otherwise have detections).

SnapCombineTask

Combine two snaps into a single visit image.

SourceDeblendTask

Split blended sources into individual sources.

SourceDetectionTask

Detect peaks and footprints of sources in an image.

StarFracTask

Base class for data processing tasks.

SubtractBackgroundTask

Subtract the background from an exposure

WPerpTask

Base class for data processing tasks.

WarpAndPsfMatchTask

A task to warp and PSF-match an exposure

WcsSelectImagesTask

Select images using their Wcs.

Configurables

No topics.

Configs

AB1Config

Base class for configuration (config) objects.

AMxConfig

Base class for configuration (config) objects.

BaseMeasurementPluginConfig

Base config class for all measurement plugins.

BasePluginConfig

Base class measurement plugin config classes.

CatalogCalculationClassificationConfig

Configuration for catalog classification plugin.

CatalogCalculationFootprintAreaConfig

Configuration for footprint area catalog calculation plugin.

CatalogCalculationPluginConfig

Default configuration class for catalog calcuation plugins.

CatalogMeasurementBaseConfig

Configuration for CatalogMeasurementBaseTask.

CatalogSummaryBaseConfig

Configuration class for PipelineTask.

Colorterm

Colorterm correction for one pair of filters

ColortermDict

A mapping of physical filter label to Colorterm

ColortermLibrary

A mapping of photometric reference catalog name or glob to ColortermDict

CullPeaksConfig

Configuration for culling garbage peaks after merging footprints.

DatabaseSelectImagesConfig

Base configuration for subclasses of BaseSelectImagesTask that use a database.

FgcmCalibrateTractTableConfig

Config for FgcmCalibrateTractTable task

FgcmFitCycleConfig

Config for FgcmFitCycle

FgcmLoadReferenceCatalogConfig

Config for FgcmLoadReferenceCatalogTask

FgcmMakeLutConfig

Config for FgcmMakeLutTask

FgcmOutputProductsConfig

Config for FgcmOutputProductsTask

ForcedPluginConfig

Base class for configs of forced measurement plugins.

MatchedBaseConfig

Configuration class for PipelineTask.

NoiseReplacerConfig

Noise replacement configuration.

NumpySummaryConfig

Base class for configuration (config) objects.

PA1Config

Config fields for the PA1 photometric repeatability metric.

PatchMatchedMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

PatchMatchedMultiBandMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

PatchMatchedMultiBandPreparationConfig

Configuration class for PipelineTask.

PatchMatchedPreparationConfig

Configuration class for PipelineTask.

PatchMatchedSummaryConfig

Configuration class for PipelineTask.

PatchMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

PatchSummaryConfig

Configuration class for PipelineTask.

Sedboundaryterm

SED boundary term for a pair of bands.

SedboundarytermDict

A mapping of Sedboundaryterm name to Sedterm.

Sedterm

SED term for a single band.

SedtermDict

A mapping of bands to Sedterms.

SingleFramePluginConfig

Base class for single-frame plugin configuration classes.

SourceSlotConfig

Assign named plugins to measurement slots.

TractMatchedMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

TractMatchedPreparationConfig

Configuration class for PipelineTask.

TractMatchedSummaryConfig

Configuration class for PipelineTask.

TractMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

TractMultiBandMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

VisitMeasurementConfig

Configuration for CatalogMeasurementBaseTask.

VisitSummaryConfig

Configuration class for PipelineTask.

WPerpConfig

Base class for configuration (config) objects.